1/***************************************************************************** 2 * 3 * Module Name: ec_osl.c 4 * $Revision: 1.1.1.1 $ 5 * 6 *****************************************************************************/ 7 8/* 9 * Copyright (C) 2000, 2001 Andrew Grover 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2 of the License, or 14 * (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 24 */ 25 26 27#include <linux/kernel.h> 28#include <linux/module.h> 29#include <linux/init.h> 30#include <linux/types.h> 31#include <linux/proc_fs.h> 32#include <acpi.h> 33#include <bm.h> 34#include "ec.h" 35 36 37MODULE_AUTHOR("Andrew Grover"); 38MODULE_DESCRIPTION("ACPI Component Architecture (CA) - Embedded Controller Driver"); 39MODULE_LICENSE("GPL"); 40 41extern struct proc_dir_entry *bm_proc_root; 42 43 44/**************************************************************************** 45 * 46 * FUNCTION: ec_osl_init 47 * 48 * PARAMETERS: <none> 49 * 50 * RETURN: 0: Success 51 * 52 * DESCRIPTION: Module initialization. 53 * 54 ****************************************************************************/ 55 56static int __init 57ec_osl_init (void) 58{ 59 acpi_status status = AE_OK; 60 61 /* abort if no busmgr */ 62 if (!bm_proc_root) 63 return -ENODEV; 64 65 status = ec_initialize(); 66 67 return (ACPI_SUCCESS(status)) ? 0 : -ENODEV; 68} 69 70/**************************************************************************** 71 * 72 * FUNCTION: ec_osl_cleanup 73 * 74 * PARAMETERS: <none> 75 * 76 * RETURN: <none> 77 * 78 * DESCRIPTION: Module cleanup. 79 * 80 ****************************************************************************/ 81 82static void __exit 83ec_osl_cleanup(void) 84{ 85 ec_terminate(); 86 87 return; 88} 89 90module_init(ec_osl_init); 91module_exit(ec_osl_cleanup); 92